Queen Horror

This page lists questions and answers that were posted by visitors named Queen Horror.

Questions

The following questions were asked by visitors named Queen Horror.

Answers

The following answers were posted by visitors named Queen Horror.

Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of Cu to 3.2 grams of S to start the reaction. In this reaction, all of the copper and all of the sulfur react. The scientist needs to determin...